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Finding the Third Proportional to 285,388 and 614,924

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Solution

The third proportional to 285,388 and 614,924 is: 1,324,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,388 : 614,924 = 614,924 : x
  2. Step 2: Convert to fraction form
    285,388/614,924 = 614,924/x
  3. Step 3: Cross multiply
    285,388x = 614,924 × 614,924
  4. Step 4: Simplify right side
    285,388x = 378,131,525,776
  5. Step 5: Solve for x
    x = 378,131,525,776/285,388
  6. Step 6: Final answer
    x = 1,324,973.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.